[PATCH v3 03/10] ARM: dts: stm32: Add Engicam MicroGEA STM32MP1 MicroDev 2.0 board

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MicroDev 2.0 is a general purpose miniature carrier board with CAN,
LTE and LVDS panel interfaces.

Genaral features:
- Ethernet 10/100
- USB Type A
- Audio Out
- microSD
- LVDS panel connector
- Wifi/BT (option)
- UMTS LTE with sim connector (option)

MicroGEA STM32MP1 is a STM32MP157A based Micro SoM.

MicroGEA STM32MP1 needs to mount on top of this MicroDev 2.0 board
for creating complete MicroGEA STM32MP1 MicroDev 2.0 Carrier board.

Add support for it.

Signed-off-by: Matteo Lisi <matteo.lisi@xxxxxxxxxxx>
Signed-off-by: Francesco Utel <francesco.utel@xxxxxxxxxxx>
Signed-off-by: Mirko Ardinghi <mirko.ardinghi@xxxxxxxxxxx>
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
Changes for v3:
- updated commit message
Changes for v2:
- don't create carrier board dtsi, add it in final dts.

 arch/arm/boot/dts/Makefile                    |  1 +
 ...32mp157a-microgea-stm32mp1-microdev2.0.dts | 55 +++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 9f9f3e49132a..b4a9cd071f99 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1071,6 +1071,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
 	stm32mp157a-dhcor-avenger96.dtb \
 	stm32mp157a-dk1.dtb \
 	stm32mp157a-iot-box.dtb \
+	stm32mp157a-microgea-stm32mp1-microdev2.0.dtb \
 	stm32mp157a-stinger96.dtb \
 	stm32mp157c-dhcom-pdk2.dtb \
 	stm32mp157c-dhcom-picoitx.dtb \
diff --git a/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0.dts b/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0.dts
new file mode 100644
index 000000000000..7a75868164dc
--- /dev/null
+++ b/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (c) STMicroelectronics 2019 - All Rights Reserved
+ * Copyright (c) 2020 Engicam srl
+ * Copyright (c) 2020 Amarula Solutons(India)
+ */
+
+/dts-v1/;
+#include "stm32mp157.dtsi"
+#include "stm32mp157a-microgea-stm32mp1.dtsi"
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxaa-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Engicam MicroGEA STM32MP1 MicroDev 2.0 Carrier Board";
+	compatible = "engicam,microgea-stm32mp1-microdev2.0",
+		     "engicam,microgea-stm32mp1", "st,stm32mp157";
+
+	aliases {
+		serial0 = &uart4;
+		serial1 = &uart8;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&sdmmc1 {
+	bus-width = <4>;
+	disable-wp;
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc1_b4_pins_a>;
+	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+	st,neg-edge;
+	vmmc-supply = <&vdd>;
+	status = "okay";
+};
+
+&uart4 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart4_pins_a>;
+	pinctrl-1 = <&uart4_sleep_pins_a>;
+	pinctrl-2 = <&uart4_idle_pins_a>;
+	status = "okay";
+};
+
+/* J31: RS323 */
+&uart8 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart8_pins_a>;
+	status = "okay";
+};
-- 
2.25.1




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